//
// Created by 束庆乐 on 2024/12/23.
//
#include <stdio.h>

void swapref(int *a,int *b){
    int temp = *a;
    *a = *b;
    *b = temp;
}

int main37(){
    int x = 5;
    int y = 10;
    printf("x==%d  y==%d\n",x,y);
    swapref(&x,&y);
    printf("x==%d  y==%d\n",x,y);
    return 0;
}